【摘要】：目前，工業(yè)領(lǐng)域?qū)怏w制造的監(jiān)控一般都采用PLC來(lái)實(shí)現(xiàn)，雖然PLC具有開(kāi)發(fā)簡(jiǎn)單，運(yùn)行速度快等特點(diǎn)，但是其價(jià)格比較昂貴，而且在與PC進(jìn)行互聯(lián)通信時(shí)，需要PLC開(kāi)發(fā)商提供的系統(tǒng)協(xié)議和網(wǎng)絡(luò)適配器，這無(wú)疑更增加了系統(tǒng)投資，也使其在應(yīng)用的靈活性上受到一定的局限性。隨著嵌入式技術(shù)的不斷發(fā)展，嵌入式處理器性能的不斷提高，如今嵌入式產(chǎn)品在這一領(lǐng)域的應(yīng)用增長(zhǎng)迅速。 本論文主要設(shè)計(jì)了一個(gè)基于三星S3C2440嵌入式實(shí)時(shí)監(jiān)控系統(tǒng)，，它能廣泛應(yīng)用于工業(yè)上的制氫、制氧或其它氣體制造的監(jiān)控上。該監(jiān)控系統(tǒng)主要由監(jiān)測(cè)終端、通信網(wǎng)絡(luò)、監(jiān)測(cè)中心組成，通過(guò)實(shí)時(shí)監(jiān)測(cè)生產(chǎn)制造現(xiàn)場(chǎng)的氣體制造壓力、工作溫度、氣體存儲(chǔ)壓力、直流工作電壓、氣體泄露濃度等技術(shù)參數(shù)并實(shí)現(xiàn)現(xiàn)場(chǎng)實(shí)時(shí)顯示、數(shù)據(jù)分析判斷、系統(tǒng)異常報(bào)警等功能，建立了一種實(shí)時(shí)監(jiān)測(cè)多點(diǎn)接警的安全保障模式；監(jiān)測(cè)終端所采集的數(shù)據(jù)通過(guò)網(wǎng)絡(luò)實(shí)時(shí)發(fā)送到上位機(jī)，改變了單一人工巡視的工作方式，提高了工業(yè)氣體制造的安全性。 本論文首先介紹了監(jiān)控系統(tǒng)的硬件平臺(tái)和各個(gè)組成模塊，緊接著闡述了如何構(gòu)建基于S3C2440的軟件開(kāi)發(fā)平臺(tái)，包括u-boot的移植、Linux內(nèi)核的裁剪和Qt文件系統(tǒng)制作。最后，設(shè)計(jì)了該監(jiān)控系統(tǒng)的上層應(yīng)用軟件，包括數(shù)據(jù)的實(shí)時(shí)顯示界面、數(shù)據(jù)的實(shí)時(shí)采集、系統(tǒng)異常報(bào)警和數(shù)據(jù)的網(wǎng)絡(luò)發(fā)送。 最終，本論文所設(shè)計(jì)的產(chǎn)品被成功運(yùn)用到了對(duì)制氫設(shè)備監(jiān)控的工程實(shí)踐中。
[Abstract]:At present, the monitoring of gas manufacturing in industrial field is generally realized by PLC. Although PLC has the characteristics of simple development and fast running speed, it is relatively expensive, and when communicating with PC, it needs the system protocol and network adapter provided by PLC developer, which undoubtedly increases the system investment and makes it suffer some limitations in the flexibility of application. With the continuous development of embedded technology and the continuous improvement of embedded processor performance, the application of embedded products in this field is growing rapidly. In this paper, an embedded real-time monitoring system based on Samsung S3C2440 is designed, which can be widely used in industrial monitoring of hydrogen production, oxygen production or other gas manufacturing. The monitoring system is mainly composed of monitoring terminal, communication network and monitoring center. By monitoring the technical parameters such as gas manufacturing pressure, working temperature, gas storage pressure, DC working voltage, gas leakage concentration and so on in real time, and realizing the functions of real time display, data analysis and judgment, system abnormal alarm and so on, a safety guarantee mode of real time monitoring multi-point alarm is established. The data collected by the monitoring terminal are sent to the upper computer in real time through the network, which changes the working mode of single manual inspection and improves the safety of industrial gas manufacturing. This paper first introduces the hardware platform and each module of the monitoring system, and then expounds how to construct the software development platform based on S3C2440, including the transplantation of u-boot, the cutting of Linux kernel and the making of Qt file system. Finally, the upper application software of the monitoring system is designed, including the real-time display interface of the data, the real-time acquisition of the data, the abnormal alarm of the system and the network transmission of the data. Finally, the products designed in this paper have been successfully applied to the engineering practice of monitoring hydrogen production equipment.
【學(xué)位授予單位】：南京郵電大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類(lèi)號(hào)】：TP277;TP368.1

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